/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package AdminServlet;

import Business.Product;
import Model.DAO;
import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Nguyen Hung
 */
public class EditProductInfomation extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        try {
            String productCode = request.getParameter("productCode");
            Connection connection = DAO.getConnection();
            PreparedStatement statement = connection.prepareStatement("select *, vendorName from product, vendor where productCode = ? and vendor.vendorid = product.vendorid");
            statement.setString(1, productCode);
            ResultSet rs = statement.executeQuery();
            int quantity = 0;
            while (rs.next()) {
                String image = rs.getString("image");
                String cpu = rs.getString("cpu");
                String ram = rs.getString("ram");
                String hdd = rs.getString("hdd");
                String cardmonitor = rs.getString("cardmonitor");
                String display = rs.getString("display");
                String wireless = rs.getString("wireless");
                int warranty = rs.getInt("warranty");
                String battery = rs.getString("battery");
                String wightheight = rs.getString("weightheight");
                String description = rs.getString("description");
                String vendorName = rs.getString("vendorName");
                double price = rs.getDouble("price");
                String os = rs.getString("os");
                String DVDWL = rs.getString("DVD-WL");
                quantity = rs.getInt("quantity");
                Product product = new Product(productCode, cpu, ram, hdd, cardmonitor, display, image, os, wireless, battery, wightheight, price, warranty, vendorName, DVDWL, description);
                product.setQuantity(quantity);
                request.setAttribute("product", product);
            }
        } catch (SQLException ex) {
            Logger.getLogger(EditProductInfomation.class.getName()).log(Level.SEVERE, null, ex);
        }
        RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/admin/editProduct.jsp");
        dispatcher.forward(request, response);
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
